摘要: DescriptionIfaanddare relatively prime positive integers, the arithmetic sequence beginning withaand increasing byd, i.e.,a,a+d,a+ 2d,a+ 3d,a+ 4d, ...... 阅读全文
posted @ 2015-02-17 22:29 乱齐八糟 阅读(145) 评论(0) 推荐(0) 编辑